163146204621156 has 12 divisors (see below), whose sum is σ = 380674477449392. Its totient is φ = 54382068207048.

The previous prime is 163146204621107. The next prime is 163146204621173. The reversal of 163146204621156 is 651126402641361.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6797758525870 + ... + 6797758525893.

Almost surely, 2^{163146204621156} is an apocalyptic number.

It is an amenable number.

163146204621156 is an abundant number, since it is smaller than the sum of its proper divisors (217528272828236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163146204621156 is a wasteful number, since it uses less digits than its factorization.

163146204621156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595517051770 (or 13595517051768 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 163146204621156 in words is "one hundred sixty-three trillion, one hundred forty-six billion, two hundred four million, six hundred twenty-one thousand, one hundred fifty-six".